问题补充:
The new exchange students don’t seem who for help.
A. know, to turn
B. know, to turn to
C. to know, to turn to
D. to know, to turn
答案:
A. know, to turn
B. know, to turn to
(答案→)C. to know, to turn to
D. to know, to turn
解析:句意:新来的交换学生似乎不知道要向谁寻求帮助。seem to do好像做……,短语turn to sb. for help向某人求助。选C。
考点: 考查动词不定式的用法。